CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/1wvY8aTo"] [Date "2026.05.15"] [White "Daniella"] [Black "Lucas1"] [Result "1/2-1/2"] [UTCDate "2026.05.15"] [UTCTime "20:30:55"] [WhiteElo "1169"] [BlackElo "1221"] [WhiteRatingDiff "+7"] [BlackRatingDiff "-7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Clemenz Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. h3 { A00 Clemenz Opening } d5 2. h4? { (-0.05 → -1.59) Mistake. Nf3 was best. } (2. Nf3 c5) 2... Nf6 3. Nf3 e6 4. Nd4?! { (-0.94 → -1.93) Inaccuracy. d4 was best. } (4. d4 c5 5. e3 Nc6 6. c4 cxd4 7. exd4 Bb4+ 8. Nc3 O-O 9. Be2 dxc4 10. Bxc4 e5) 4... Bc5 5. Nf3 O-O 6. Ng1? { (-1.62 → -3.47) Mistake. d4 was best. } (6. d4 Bd6) 6... Nc6 7. Na3?? { (-2.97 → -7.22) Blunder. d3 was best. } (7. d3 e5) 7... a5? { (-7.22 → -3.45) Mistake. Ne4 was best. } (7... Ne4 8. e3) 8. Nb1? { (-3.45 → -5.61) Mistake. c3 was best. } (8. c3 e5 9. e3 d4 10. d3 dxe3 11. Bxe3 Bxe3 12. fxe3 e4 13. d4 Ne7 14. Ne2 Nf5) 8... Ra6?? { (-5.61 → -2.12) Blunder. e5 was best. } (8... e5 9. d3) 9. d3? { (-2.12 → -3.52) Mistake. e3 was best. } (9. e3 Ra8 10. d4 Bd6 11. f4 Ne7 12. Nc3 Nf5 13. Bd3 h5 14. Nf3 c5 15. Ne5 Be7) 9... Rb6?! { (-3.52 → -2.77) Inaccuracy. Ng4 was best. } (9... Ng4 10. e3 e5 11. Be2 f5 12. c3 d4 13. exd4 exd4 14. Nh3 h6 15. Nd2 Qxh4 16. O-O) 10. Bg5?? { (-2.77 → -5.75) Blunder. Nc3 was best. } (10. Nc3) 10... a4? { (-5.75 → -3.56) Mistake. Rxb2 was best. } (10... Rxb2 11. Qc1) 11. Be3?? { (-3.56 → -8.49) Blunder. Nc3 was best. } (11. Nc3 a3) 11... Rxb2?? { (-8.49 → 2.99) Blunder. Bxe3 was best. } (11... Bxe3 12. fxe3) 12. Bxc5 Re8 13. Be3?? { (3.25 → 0.56) Blunder. Ba3 was best. } (13. Ba3 Rb6 14. e3 e5 15. Be2 h6 16. Nd2 Be6 17. c4 Qd7 18. Qc1 dxc4 19. dxc4 Bg4) 13... Qd6? { (0.56 → 1.95) Mistake. Nb4 was best. } (13... Nb4 14. Na3) 14. Qc1?? { (1.95 → -1.25) Blunder. a3 was best. } (14. a3 e5 15. Bc1 Rb6 16. e3 h6 17. Be2 Bd7 18. Nd2 Qc5 19. Rb1 Rxb1 20. Nxb1 Qb6) 14... Rb4?? { (-1.25 → 2.60) Blunder. a3 was best. } (14... a3 15. c4 dxc4 16. dxc4 Qb4+ 17. Bd2 Qc5 18. e3 Ne4 19. Nf3 Rd8 20. Be2 Nb4 21. O-O) 15. Bd2 Rc4?? { (2.87 → 8.83) Blunder. Rb6 was best. } (15... Rb6 16. Na3) 16. dxc4 dxc4 17. a3 e5 18. Bc3 Re6 19. Bb2 Qc5 20. h5 Nxh5 21. Rxh5 g6 22. Rh1 Nd8 23. e4 Rf6 24. Bxc4? { (13.85 → 4.64) Mistake. Nf3 was best. } (24. Nf3 Rf4 25. Nc3 Qb6 26. Bxc4 c6 27. Kf1 Ne6 28. Nxa4 Qa5 29. Nc3 Qb6 30. a4 Qa5) 24... Qxc4? { (4.64 → 9.78) Mistake. Qxf2+ was best. } (24... Qxf2+ 25. Kd1) 25. Bc3 Qc5 26. Nd2?? { (9.36 → -3.67) Blunder. f3 was best. } (26. f3 Qf8) 26... Rxf2?? { (-3.67 → 6.38) Blunder. Qxf2+ was best. } (26... Qxf2+ 27. Kd1) 27. Bb2?? { (6.38 → Mate in 3) Checkmate is now unavoidable. Nf1 was best. } (27. Nf1 Nc6 28. Bb4 Qxc2 29. Qxc2 Rxc2 30. Bd2 Nd4 31. Ne3 f5 32. Nf3 Rc5 33. Bb4 fxe4) 27... Qd5?? { (Mate in 3 → 20.13) Lost forced checkmate sequence. Qe3+ was best. } (27... Qe3+ 28. Kd1 Bg4+ 29. Ngf3 Qe2#) 28. Nb1 Rxg2 29. Kf1?? { (18.09 → 3.61) Blunder. exd5 was best. } (29. exd5 f6 30. Qh6 Nf7 31. Qxh7+ Kf8 32. Nd2 Bf5 33. c4 c5 34. Ne2 Rg5 35. Nc3 Bc2) 29... Rg3?? { (3.61 → 18.38) Blunder. Qxe4 was best. } (29... Qxe4 30. Nd2 Qc6 31. Bxe5 f6 32. Rh2 Rg4 33. Bb2 h5 34. Ndf3 Nf7 35. Qd2 b6 36. Re1) 30. Ke1?? { (18.38 → -8.98) Blunder. exd5 was best. } (30. exd5) 30... Qc5?? { (-8.98 → 2.07) Blunder. Qxe4+ was best. } (30... Qxe4+ 31. Ne2) 31. Ne2 Rg2 32. c4?? { (1.99 → Mate in 6) Checkmate is now unavoidable. Qd2 was best. } (32. Qd2) 32... Bg4?? { (Mate in 6 → -5.62) Lost forced checkmate sequence. Qf2+ was best. } (32... Qf2+ 33. Kd2 Qxe2+ 34. Kc3 Qf3+ 35. Kb4 Qb3+ 36. Kc5 Qb6+ 37. Kd5 Qd6#) 33. Qd1?! { (-5.62 → -8.43) Inaccuracy. Qd2 was best. } (33. Qd2) 33... Bxe2?? { (-8.43 → -0.89) Blunder. Qf2+ was best. } (33... Qf2+ 34. Kd2) 34. Qxa4?? { (-0.89 → Mate in 4) Checkmate is now unavoidable. Qxd8+ was best. } (34. Qxd8+ Kg7 35. Bd4 exd4 36. Qd5 Qxd5 37. cxd5 Bf3 38. Rf1 Bxe4 39. d6 cxd6 40. Nd2 Bd3) 34... Bg4?? { (Mate in 4 → 3.71) Lost forced checkmate sequence. Qf2+ was best. } (34... Qf2+ 35. Kd2 Bg4+ 36. Kc3 Qxb2+ 37. Kd3 Rg3#) 35. Qd1?? { (3.71 → Mate in 1) Checkmate is now unavoidable. Qe8+ was best. } (35. Qe8+ Qf8) 35... Be2?? { (Mate in 1 → 0.00) Lost forced checkmate sequence. Qf2# was best. } (35... Qf2#) 36. Qxd8+ Kg7 37. Qa8?? { (0.00 → Mate in 4) Checkmate is now unavoidable. Bd4 was best. } (37. Bd4 exd4 38. Qd5 Qb6 39. Qe5+ Kg8 40. Qe8+ Kg7) 37... Bd3 38. Rf1 Re2+? { (Mate in 2 → -8.66) Lost forced checkmate sequence. Qe3+ was best. } (38... Qe3+ 39. Kd1 Bc2#) 39. Kd1 Qxc4?? { (-9.61 → Mate in 8) Checkmate is now unavoidable. Rxb2 was best. } (39... Rxb2 40. Qd8 Bxf1 41. Qd5 Qf2 42. Nd2 Qg3 43. Rb1 Rxb1+ 44. Nxb1 c6 45. Nd2 cxd5 46. Nxf1) 40. Bxe5+ Kh6 41. Rxf7?? { (Mate in 5 → Mate in 1) Lost forced checkmate sequence. Rh1+ was best. } (41. Rh1+ Rh2 42. Rxh2+ Kg5 43. Qd8+ Kg4 44. Qh4+ Kf3 45. Qf4#) 41... Rf2?? { (Mate in 1 → Mate in 6) Lost forced checkmate sequence. Qc2# was best. } (41... Qc2#) 42. Rxf2?! { (Mate in 6 → 17.89) Lost forced checkmate sequence. Rxh7+ was best. } (42. Rxh7+ Kg5 43. Qd8+ Kg4 44. Qh4+ Kf3 45. Qf4+ Kg2 46. Rh2+ Kf1 47. Qxf2#) 42... Qxe4?! { (17.89 → Mate in 5) Checkmate is now unavoidable. Bc2+ was best. } (42... Bc2+ 43. Rxc2 Qf1+ 44. Kd2 Kg5 45. Qxb7 Qf2+ 46. Kd3 Qf3+ 47. Kd4 Qh1 48. Bxc7 Qd1+ 49. Kc3) 43. Rfa2? { (Mate in 5 → 9.23) Lost forced checkmate sequence. Rh2+ was best. } (43. Rh2+ Kg5 44. Qd8+ Kg4 45. Qh4+ Kf5 46. Qf6+ Kg4 47. Rh4#) 43... Qxe5 44. Rd2?? { (10.54 → 0.00) Blunder. Qf8+ was best. } (44. Qf8+) 44... Bc4?? { (0.00 → 7.54) Blunder. Qh5+ was best. } (44... Qh5+ 45. Kc1 Qc5+ 46. Kb2 Qb5+ 47. Kc3 Qc4+ 48. Kb2) 45. Rh2+? { (7.54 → 4.33) Mistake. Qf8+ was best. } (45. Qf8+ Kg5) 45... Qh5+? { (4.33 → 13.59) Mistake. Kg7 was best. } (45... Kg7) 46. Kc2?? { (13.59 → 0.00) Blunder. Rxh5+ was best. } (46. Rxh5+) 46... Qxh2+? { (0.00 → 1.50) Mistake. Qxh2+ was best. } (46... Qxh2+ 47. Nd2 Bd3+ 48. Kxd3 Qd6+ 49. Ke3 Qc5+ 50. Kf3 Qf5+ 51. Ke2 Qe5+ 52. Kd1 Qh5+ 53. Kc2) 47. Kc1?? { (1.50 → -3.23) Blunder. Nd2 was best. } (47. Nd2 Bd3+ 48. Kb3 Qxd2 49. Qf8+ Kh5 50. Rh1+ Kg4 51. Rg1+ Kh5 52. Qf3+ Kh6 53. Qh3+ Kg7) 47... Qh1+ 48. Kb2 g5?? { (-3.19 → 4.19) Blunder. Qg2+ was best. } (48... Qg2+) 49. Qa4 Bf1?! { (3.84 → 5.27) Inaccuracy. Qg2+ was best. } (49... Qg2+ 50. Qc2 Qxc2+ 51. Kxc2 g4 52. Nd2 Bd5 53. Kd3 Kg5 54. Ne4+ Bxe4+ 55. Kxe4 c5 56. Rf1) 50. Nd2 Bg2?! { (4.58 → 7.77) Inaccuracy. Qd5 was best. } (50... Qd5 51. Qc2 Qd4+ 52. Qc3 Qxc3+ 53. Kxc3 Bb5 54. Rg1 Kg6 55. Nf3 h6 56. Kd2 Kf6 57. Ke3) 51. Rxh1+ Kg6? { (8.15 → Mate in 8) Checkmate is now unavoidable. Bxh1 was best. } (51... Bxh1 52. Qg4 Bc6 53. Qe6+ Kh5 54. Qf7+ Kg4 55. Qxh7 Kg3 56. Kc3 Kg2 57. Qxc7 Bd5 58. Qe5) 52. Qd1?! { (Mate in 8 → 13.42) Lost forced checkmate sequence. Qc2+ was best. } (52. Qc2+ Kg7 53. Rxh7+ Kf6 54. Rh6+ Ke5 55. Qc5+ Kf4 56. Qf2+ Kg4 57. Qxg2+ Kf4 58. Qe4+ Kg3) 52... Bxh1 53. a4 Kh6 54. Qxh1+ Kg7 55. Qxb7 Kh6 56. Qxc7 Kh5 57. Qxh7+ Kg4 58. Qh5+?! { (Mate in 5 → 60.04) Lost forced checkmate sequence. Qe4+ was best. } (58. Qe4+ Kh5 59. Nf3 Kh6 60. Ne5 Kg7 61. Qg6+ Kf8 62. Qf7#) 58... Kxh5 59. Nf3 g4 60. Nd2 g3 61. a5 Kh4 62. a6 g2 63. a7 g1=Q 64. a8=Q?? { (59.60 → 0.15) Blunder. Nf3+ was best. } (64. Nf3+ Kg3 65. Nxg1 Kg2 66. Ne2 Kf3 67. Nc3 Kf4 68. a8=Q Kf5 69. Qc6 Kg5 70. Ne2 Kf5) 64... Qh1?? { (0.15 → Mate in 7) Checkmate is now unavoidable. Qe3 was best. } (64... Qe3 65. Kc2 Kg5 66. Qg2+ Kf4 67. Kd1 Kf5 68. Qb7 Qd4 69. Qf7+ Kg5 70. Qf8 Qa4+ 71. Ke2) 65. Qa1?? { (Mate in 7 → 0.00) Lost forced checkmate sequence. Qxh1+ was best. } (65. Qxh1+ Kg4 66. Qf3+ Kg5 67. Ne4+ Kg6 68. Qf6+ Kh7 69. Ng5+ Kg8 70. Qf7+ Kh8 71. Qf8#) 65... Qh2 66. Qa4+ Kh3 67. Qd1 Kh4 68. Qa4+ Kg3 69. Qb3+ Kh4 70. Qb4+ Kg3 71. Qb3+ Kh4 72. Qf3 Kg5 73. Qf4+?? { (0.06 → -58.12) Blunder. Kc1 was best. } (73. Kc1 Qg1+ 74. Kc2 Qc5+ 75. Kd1 Qg1+ 76. Ke2 Qg4 77. Ne4+ Kh4 78. Kf2 Qxf3+ 79. Kxf3 Kh3) 73... Qxf4 74. Nc4?! { (-28.24 → Mate in 8) Checkmate is now unavoidable. Kc2 was best. } (74. Kc2) 74... Qxc4 75. Ka3 Qb3+ 76. Kxb3 { The game is a draw. } 1/2-1/2